LG LMXC23746S - Service Diagnosis Chart

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12-5 SERVICE DIAGNOSIS CHART

COMPLAINT POINTS TO BE CHECKED

REMEDY

Warm position.

colder position.

Recommended position.

Warm position.

Main Page

Contents2
Safety Precautions2
Specifications3
Dimensions3
Parts Identification4
Disassembly5
Removing and Replacing Refrigerator Doors5
Mullion Removal6
Door Gasket Removal6
Door Gasket Replacement6
Mullion Replacement7
Sub, PCB8
Door Alignment9
Fan and Fan Motor9
Refrigerator Light (Top)11
Refrigerator Compartment Lamp11
Refrigerator Light (Side)11
Multi Duct12
Cap Duct LED Lamp (Bottom)12
Dispenser13
Display PCB13
Customchill Display13
Ice Button Assembly14
Water Button Assembly14
Ice Corner Door Replacement14
Icemaker Replacement15
SUB PCB for Working Dispenser15
Cap Duct Motor Replacement16
Module Filter Replacement16
How to Remove an Ice bin17
How to Insert an Ice bin17
Module Filter Part Replacement17
Customchill Drawer18
How to Remove the Customchill19
Pull out Drawer21
Middle Drawer21
How to Remove and Reinstall the Pullout Drawer22
Water Valve Disassembly Method24
Fan Motor Assembly Disassembly Method24
Adjustment26
Compressor26
Role26
Compressor Protection Logic26
Circuit Diagram27
Troubleshooting28
Error Code Summary28
PCB Picture30
Main PCB30
Sub PCB31
Troubleshooting with Error Display32
Freezer Sensor Error (E FS)32
Refrigerator Sensor Error (E Rs)34
Icing Sensor Error (E IS)36
Defrost Sensor Error (F Ds)38
Defrost Heater Error (F Dh)42
Refrigerator Fan Error (E Rf)46
Freezer Fan Error (E FF)48
Icing Fan Error (E IF)50
Condenser Fan Error (E CF)52
Communication Error (E CO)54
Cube Mode Doesn't Work56
Crush Mode Doesn't Work59
Water Mode Doesn't Work62
Middle Room Lamp Doesn't Work64
Freezer Room Lamp Doesn't Work66
Refrigerator Room Lamp Doesn't Work68
Poor Cooling in Fresh Food Section70
Reference75
Test Mode and Removing TPA75
Temperature Chart - Freezer and Icing Sensor76
Temperature Chart - Refrigerator and Defrost Sensor77
How to Check the Fan-Error78
Component Testing Information79
Defrost Sensor of Defrost Heater (F/R)79
Sheath Heater (Freezer Room)80
Sheath Heater (Refrigerator Room)81
Door Switch,R82
Door Switch,F83
Dispenser DC Motor84
AC Motor Assembly85
Damper86
Lamp Socket87
Flow Sensor88
Compressor Troubleshooting89
PCB Check89
Test Mode89
LED Blinks Once, then Repeats (FCT0 Fault)92
LED Blinks Two Times, then Repeats (Stroke Trip)92
LED Blinks Three Times, then Repeats (Stroke Trip)93
LED Blinks Five Times, then Repeats (Locked Piston)93
LED Blinks Six Times, then Repeats (Current Trip)93
LED Blinks Seven Times, then Repeats94
LED Blinks Eight Times, then Repeats (Communication Error)94
Activate Protection Logic96
Sealed System Diagnosis96
Service Diagnosis Chart99
Reprigerator Cycle100
Cleaning100
Sealed System Diagnosis101
Icemaker Operating Method and Trouble Shooting102
Icemaker's Basic Operating Method102
Icemaker Functions103
Icemaking Mode103
Harvest Mode103
Fill/Park Position103
Icemaker Not Making Ice or Not Making Enough Ice104
Not Dispensing Ice105
Description of Function & Circuit of Micom106
How to Toggle the Display between F & C106
Lock Function106
Filter Condition Display Function107
Air Filter Selection107
Ice Plus Selection107
Dispenser Use Selection107
Control of Freezer Fan Motor108
Cooling Fan Motor108
Ice Compartment Fan108
Ice PLUS108
Defrosting109
Defect Diagnosis Function109
Exploded View & Replacement Parts List110
Case Parts110
Customchill Parts111
Freezer Parts112
Refrigerator Parts113
Door Parts114
Dispenser Parts115
Valve & Water Tube Parts116
Ice Maker & Ice bin Parts117

LG LMXC23746S - Service Diagnosis Chart

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